Rainbow-electronics AT89C51SND1C Uživatelský manuál stáhnout pdf (Strana 164)

164

AT8xC51SND1C

4109E–8051–06/03

Figure 126. Format and States in the Master Receiver Mode

AData

48h

ASLA

08h

Successful reception

from a slave transmitter

Next transfer started with

a repeated start condition

Not acknowledge received

after the slave address

Arbitration lost in slave

address or data Byte

Arbitration lost and

addressed as slave

Data A

From master to slave

From slave to master

Any number of data Bytes and their associated

acknowledge bits

This number (contained in SSSTA) corresponds

to a defined state of the TWI bus

40h

A P

58h

SLASR

A P

10h

38h

continues

Other master

38h

A or A

continues

Other master

68h

continues

Other master

78h B0h

nnh

To corresponding

states in slave mode

Data

50h

1 2 ... 159 160 161 162 163 164 165 166 167 168 169 ... 209 210

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